Aliulis Darius, and Janilionis Vytautas. “User Segmentation in Online Advertising Using Latent Dirichlet Allocation”. Lietuvos matematikos rinkinys 56, no. B (December 20, 2015): 1–6. Accessed October 2, 2022. https://www.journals.vu.lt/LMR/article/view/17698.